20212365240271 has 2 divisors, whose sum is σ = 20212365240272. Its totient is φ = 20212365240270.

The previous prime is 20212365240259. The next prime is 20212365240341. The reversal of 20212365240271 is 17204256321202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212365240271 - 2³⁷ = 20074926286799 is a prime.

It is a super-2 number, since 2×20212365240271² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212365240271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212365244271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106182620135 + 10106182620136.

It is an arithmetic number, because the mean of its divisors is an integer number (10106182620136).

Almost surely, 2^{20212365240271} is an apocalyptic number.

20212365240271 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212365240271 is an equidigital number, since it uses as much as digits as its factorization.

20212365240271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 20212365240271 in words is "twenty trillion, two hundred twelve billion, three hundred sixty-five million, two hundred forty thousand, two hundred seventy-one".